Many farm animals used for meat are given antibiotics to promote their growth. What effect would this have on antibiotic resistance through time?

It can lead to increased incidence of drug resistant bacteria.

Explanation:

Many farm animals used for meat are given antibiotics to promote their growth. They are also given these antibiotics to treat certain diseases caused by pathogenic microbes such as bacteria.

The continual use of antibiotics will however lead to increased incidence of drug resistant bacteria present in the world at large due to the exposure of the bacteria to these drugs resulting in the formation of resistant species of the bacteria with time .

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.